george. Let's get from abc's martha raddatz. Martha, the fbi was circling petraeus, while he's dealing with the fallout from the killings at the consulate in benghazi. And we hear that petraeus is clashing with others in the agency. And how and when he's going to be testifying to congress about that. Reporter: I think petraeus is eager to defend the cia during the benghazi attack. And he had argued to get a timeline out about what happened and was clashing with some people. He still has a security clearance and knows that story better than anyone. What he will not be talking about is the sex scandal that forced him to resign. But last night, admiral william McCRAVEN, THE MAN WHO PLANNED And carried out the raid on bin laden, called petraeus an american hero for his service to the country, while saying he did not condone what happened. Petraeus will not be talking about the sex scandal before the committee tomorrow. He will not. The u.N. Ambassador, susan rice, caught up in this. Several republican senators said they would filibuster any attempt by the president to make her secretary of state. And yesterday, at his press conference, the president very forceful defng ambassador rice. Take a look at this. She has done exemplary work. She has represented the united states in our interests in the united nations with skill and professionalism and toughness and grace. IF senator McCain and senator graham and others want to go after somebody, they should go after me. Reporter: A very strong defense. Of course, it was the intelligence community that briefed susan rice before she went out on all the sunday shows saying this might have started because of protests, george. Working on cia talking points. Martha, thank you very much.

This transcript has been automatically generated and may not be 100% accurate.

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